MST to Tokyo Time Converter
Convert Mountain Time to Tokyo instantly.
Scroll the timeline to check any hour of the day.
Mountain Time
MST
1:11
Tokyo
JST
4:11
MST is on daylight savings (MDT), while Tokyo is on standard time (JST) right now.
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How the MST to Tokyo time difference works
Tokyo is 15 hours ahead of MST. Mountain Time (MST) is the US Mountain time zone. Tokyo (JST) is a city in Japan. For example, 9:00 AM MST is 12:00 AM Tokyo. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
15 hours
Daylight saving
MST only
MST offset
UTC-7
Tokyo offset
UTC+9
MST to Tokyo conversion chart
| Mountain Time (MST) | Tokyo (JST) |
|---|---|
| 12:00 AM | 3:00 PM |
| 1:00 AM | 4:00 PM |
| 2:00 AM | 5:00 PM |
| 3:00 AM | 6:00 PM |
| 4:00 AM | 7:00 PM |
| 5:00 AM | 8:00 PM |
| 6:00 AM | 9:00 PM |
| 7:00 AM | 10:00 PM |
| 8:00 AM | 11:00 PM |
| 9:00 AM | 12:00 AM +1 day |
| 10:00 AM | 1:00 AM +1 day |
| 11:00 AM | 2:00 AM +1 day |
| 12:00 PM | 3:00 AM +1 day |
| 1:00 PM | 4:00 AM +1 day |
| 2:00 PM | 5:00 AM +1 day |
| 3:00 PM | 6:00 AM +1 day |
| 4:00 PM | 7:00 AM +1 day |
| 5:00 PM | 8:00 AM +1 day |
| 6:00 PM | 9:00 AM +1 day |
| 7:00 PM | 10:00 AM +1 day |
| 8:00 PM | 11:00 AM +1 day |
| 9:00 PM | 12:00 PM +1 day |
| 10:00 PM | 1:00 PM +1 day |
| 11:00 PM | 2:00 PM +1 day |
Cities in each time zone
Mountain Time (MST)
DenverSalt Lake CityAlbuquerqueBoiseColorado Springs
Tokyo (JST)
OsakaNagoyaSapporoFukuokaKobeKyoto
MST to Tokyo questions
Is Tokyo ahead of or behind MST?
Tokyo is 15 hours ahead of MST. So 9:00 AM MST is 12:00 AM Tokyo, and 5:00 PM MST is 8:00 AM Tokyo.
What time is it in Tokyo when it is 12:00 PM MST?
When it is 12:00 PM (noon) MST in Mountain Time, it is 3:00 AM Tokyo in Tokyo.
How many hours difference is there between MST and Tokyo?
There is a 15 hours difference. Tokyo (JST) runs 15 hours ahead of Mountain Time (MST).
Do MST and Tokyo observe daylight saving time?
Mountain Time observes daylight saving time but Tokyo does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between MST and Tokyo?
A standard 9-to-5 workday in Mountain Time and Tokyo does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use MST and Tokyo?
Mountain Time (MST) covers cities such as Denver, Salt Lake City, Albuquerque, Boise, Colorado Springs. Tokyo (JST) covers cities such as Osaka, Nagoya, Sapporo, Fukuoka, Kobe, Kyoto.